package com.gaojx.lang.util.spring;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @author junxiang.gao
 * @since 2020/8/19
 */
@Component
public class SpringContextUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext = null;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        SpringContextUtil.applicationContext = applicationContext;
    }

    public static ApplicationContext getApplicationContext(){
        return applicationContext;
    }

    @SuppressWarnings({"unchecked"})
    public static <T> T getBean(String beanName){
        return (T) applicationContext.getBean(beanName);
    }

    public static <T> T getBean(Class<T> c){
        return (T) applicationContext.getBean(c);
    }

}
